Water-purifying apparatus.



-I). L. WINTERS.

WATER PURIFYING APPARATUfi}. APPLICATION FILED 11116.21, 1911.

1,030,366.. Patented June 25, 1912.

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50 N 6 l 7 d V A DAVID L. WINTERS, OF CHICAGO, ILLINOIS.

WATER-PURIF'YI'NG APPARATUS.

Specification of Letters Patent.

Patented June 25, 1912.

Application filed. August 21, 1911. Serial No. 645,110.

To all whom it may concern:

Be it known that I, DAVID L. WINTERS, a citizen of the United States ofAmerica, and a resident of Chicago, in the county of Cook, State ofIllinois, have invented certain new and useful Improvements in Water-Purfying Apparatus, of which the following is a specification.

This invention relates to that class of water purifying apparatus inwhich a small proportion of a suitable precipitating reagent orcoagulent is added to the body of water before its passage into a sutable precipitating tank, and in which the impurities are separated fromthe water during its pas sage-through said tank to a point of storage oruse. And the presentimprovement has for its object to provide a simpleand efficient structural arrangement and combination of the parts of theapparatus, whereby a very effective initial feeding and mixing of thereagent to the passing body of water is attained; andwherein thethorough mixing of the reagent with the water while contained inthesettling or precipitating tank is attained with a resultant efficientpurification of the water before it leaves the tank 7 for use orstorage, all as will hereinafter more fully appear.

The accompanying drawing is a central vertical sectional elevation of a.purifying tank and its appurtenances, embodying an ordinary form ofthepresent invention.

Referring to the drawing, 1 represents the settling or precipitatingtank, preferably of a cylindrical form, arranged vertically, andprovided with a hopper bottom 2 adapting the tank for ready discharge ofthe sludge or solid matter "which accumulates in the lower portion ofthe tank during continued actual use, and which solid matter isperiodically removed through the valved blow off pipe 3, as shown.

4 is a closed top at the upper end of the tank 1, preferably formed as aworking floor as shown, and upon which the hereinafter describedaccessory appliances of the purifying apparatus are supported.

5 is a vertical chamber or passageway formed in any usual and suitablemanner in the central portion of the tank 1, and

preferably of a vertical section of tubing,

with its open lower end arranged in separated relation to the hopperbottom 2 of the tank 1, as shown. In the preferred form of the presentinvention the upper end of the section of tubing forming the chamber orpassageway 5, extends through the top or floor 4, and is left open forthe purpose hereinafter stated.

' 6 are a vertical series of openings formed at the mid-height of theaforesaid section of tubing which forms the chamber or passageway 5, soas to leave imperforat'e upper and lower port-ions of said walls for thepurpose hereinafter stated.

7 is the induction or inlet pipe through which the water to be purifiedis pumped from a suitable source. In the present improvement the outletend of said pipe con nects with and discharges through the jet nozzlenow to be described.

8 is a downwardly discharging jet nozzle arranged centrally in thesection of tubing which forms the aforesaid chamber 5, and locatedimmediately below the lowermost of the aforesaid series of openings 6 insaid tube as shown. In its preferred form the jet nozzle 8 is of anautomatic construction adapted to vary its discharge area in accordancewith the rapidity of the flow of water and consequent pressure in theinlet pipe 7 and such automatic nature in said nozzle may be attained inany usual and suitable manner, preferably by making one or more sideWalls 9 of the nozzle separate from the main body of thenozzle andpivotally connecting the parts together as shown.

10 is a fixed lateral arm on the side wall 9 aforesaid, and 11 is a pushrod extending vertically from the free end of said arm to the top orfloor 4 of the tank 1, where it is adapted to have compressionengagement with a spring 12 or its equivalent.

13 is an abutment plate for the spring 12, aforesaid, and 14 areadjusting bolts engaging said plate, and adapted to regulate the tensionof said spring as the judgment of the operator may direct in regulatingthe velocity of the flow of water from the said nozzle in continuedactual use.

15 is a mixing tank for the chemical reagent used in the process ofpurification. Said tank has the usual stirring mechanism whereby itscontents are kept in an agitated condition.

16 is a valved outlet neck at the bottom of the mixing tank 15, adaptedto discharge into the open upper end of the section of tubing whichforms the vertical chamber or passage 5 of the main tank 1.

17 is a water supply pipe of small capacity, as compared with that ofthe water inlet pipe 7, aforesaid, and connected thereto, so as to takea proportionate volume of water therefrom, and in turn conduct the sameto the mixing tank 15, aforesaid. Said pipe 17 is provided with acontrolling valve 18, and the arrangement is such that a constantsupplyof water is discharged into said mixing tank 15, to take upportions of the chemical reagent contained therein, and in turn pass outof the mixing tank and into the aforesaid chamber 5 for final mixturewith the body of water in the main tank 1 to attain a purification ofthe same.

In the operation of the present apparatus, the water supply to bepurified, as it passes into the tank 1, through the nozzle 8, causes adownward'fiuid circulation in the lower portion of the vertical chamber5, and out through the lower end of the same. Such circulation is inturn communicated to the entire lower portion of the body of water inthe tank, and the circuit is endless through the openings 6 in the wallsof the chamber 5, down through said chamber 5, out at the bottom of thesame, to return through the lower portion of the tank 1 to the openings6 for a succeeding travel in a like path. -WVith the described operationthe purified water gradually accumulates in the upper portion of thetank 1, in a location unaffected by the circulatory action abovedescribed, and adapted to be drawn ofl for use through the outlet pipe19 at the upper end of the-tank 1.

The. purifying reagent when fed into the upper end of the section oftubing which forms the vertical chamber 5, is very uniformly mixed withthe water in the lower part of the tank 1, by the fluid circulationabove described, and without affecting the purified water in the upperend of said tank. The scope of the present invention in this connectionis not however limited to such preferred manner of introducing thechemical reagent, which may be introduced into the supply of water byany usual means prior to its passage in the tank 1 through the inletpipe 7, aforesaid.

Having thus fully described my said invention what I claim as new anddesire to secure by Letters Patent, is

1. In a water purifying apparatus, the combination ofa tank, a watersupply pipe for the same, means surrounding the outlet end ofsaid'supply pipe and formed with openings to the front and rear of theoutlet of the supply pipe in communication with I the water of the tank,and adapted to cause a circulation of the water in the tank toward thesupply pipe for remixing, and

tion of the water in the tank, said means being formed with amultiplicity of openings a distance below the normal water line of thetanks to effect an inter-mixture of the water being circulated, andmeans for supplying a purifying reagent to the water undergoingtreatment.

3. In a water purifying apparatus, the combination of a tank, a watersupply pipe for the same, means for constricting the outlet end of saidpipe, means surrounding the outlet end of said pipe to effect acirculation of the waterin the tank, and means for supplying a purifyingreagent to the water undergoing treatment.

4. In a water purifying apparatus, the I outlet end of said pipe toeffect a circula-.

tion of the water in the tank, said means being formed withamultiplicity of openings to effect an intermixture of the water beingcirculated, and means for supplying a purifying reagent to the waterundergoing treatment.

5. In a water purifying apparatus, the

fect a circulation of the water in the tank,

and means for supplying a purifying reagent to the water undergoingtreatment.

6. In a water purifying apparatus, the

combination of a tank, a water supply pipe for the same, a downturnedjet nozzle attached to the outlet end of said water supply pipe, meanssurrounding said nozzle for effecting a circulation of the fluidcontained in the lower part of the tank, and

means for supplying a purifying reagent to the water under treatment.

7. In a water purifying apparatus, the combination of a tank, a watersupply pipe for the same, a downturned jet nozzle attached to the outletend of said water supply pipe, a vertical section of tubing surroundingthe jet nozzle and provided with a vertical series of openings at apoint above said nozzle and with an open lower end, and means forsupplying a purifying reagent to the water under treatment.

8. In a water purifying apparatus, the combinationof a tank, a watersupply pipe for the same, a downturned jet nozzle attached to the outletend of said water supply pipe, a vertical section of tubing surroundingthe jet nozzle and provided with ends, and means for introducing .asupply of a purifying reagent into the upper end of said section oftubing.

9. In a water purifying apparatus, the combination of a tank, a Watersupply pipe forthe same, a downturned jet nozzle attached to the outletend of said water supply pipe, a vertical section of tubing surroundingthe jet nozzle and provided with a vertical series of openings at apoint above said nozzle and open at its upper and lower ends, and meansfor introducing a constant supply of a purifying reagent into the upperend of said section of tubing, the same comprising a reagent mixer adated to discharge into the upper end of sai section of tubing, and aWater supply pi e connected to the water induction pipe a oresaid andadapted to discharge a supply .of water into said mixer.

Signed at Chicago, Illinois, this 17th day of August 1911.

' DAVID L. WINTERS. Witnesses:

ROBERT BURNS, HENRY Mon.

